m24lr16e-r STMicroelectronics, m24lr16e-r Datasheet - Page 102

• Manufacturer Part Number: m24lr16e-r
• Description: 16 Kbit Eeprom With Password Protection, Dual Interface & Energy Harvesting 400 Khz I²c Bus & Iso 15693 Rf Protocol At 13.56 Mhz
• Manufacturer: STMicroelectronics

Command codes
26.14
102/143
Table 76.
Response parameter:
●
Figure 66. Get Multiple Block Security Status frame exchange between VCD and
When configured in the RF busy mode, the RF WIP/BUSY pin is tied to 0 from the SOF that
starts the Get Multiple Block Security Status command to the end of the M24LR16E-R
response.
When configured in the RF write in progress mode, the RF WIP/BUSY pin remains in high-Z
state.
Write-sector Password
On receiving the Write-sector Password command, the M24LR16E-R uses the data
contained in the request to write the password and reports whether the operation was
successful in the response. The Option_flag is supported.
During the RF write cycle time, W
10%), otherwise, the M24LR16E-R may not correctly program the data into the memory.
The W
selected password is automatically activated. It is not required to present the new password
value until M24LR16E-R power-down.
Table 77.
1. Gray means that the field is optional.
Response
Request
M24LR16E-R
SOF
SOF
Error code as Error_flag is set:
–
–
VCD
t
time is equal to t
03h: the option is not supported
10h: the specified block is not available
Request
_flags
Get Multiple Block Security Status response format when Error_flag is
set
M24LR16E-R
Write-sector Password request format
8 bits
Response_
flags
8 bits
SOF
password
sector
Write-
1nom
Get Multiple Block
B1h
Security Status
+ 18 × 302 µs. After a successful write, the new value of the
Doc ID 018932 Rev 7
Error code
IC Mfg
8 bits
t
code
, there must be no modulation at all (neither 100% nor
02h
64 bits
UID
EOF
(1)
<-t
1
-> SOF
Password
number
8 bits
CRC16
16 bits
Get Multiple Block
Security Status
32 bits
Data
CRC16
16 bits
EOF
M24LR16E
Response
Request
EOF
EOF